package customExercise;

public class Student {
    public String name;
    private int age;
    public Student(){

    }

    private  Student(String name){
        System.out.println(name);
    }

    public  void showInfo(){
        System.out.println("哈哈哈哈哈");
    }

    private   void show(String s){
        System.out.println(s);

    }
}

